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Mean per group in a data.frame [duplicate]
... split(matrix$value, matrix$hour) that correspond to those that return NaN from your aggregate (i.e. split(matrix$value, matrix$hour)[is.nan(aggregate(as.numeric(matrix$value), list(matrix$hour), mean)[, 2])])
– jbaums
May 11 '15 at 23:25
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Detecting a redirect in ajax request?
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Welcome to the future!
Right now we have a "responseURL" property from xhr object. YAY!
See How to get response url in XMLHttpRequest?
However, jQuery (at least 1.7.1) doesn't give an access to XMLHttpRequest object directly.
You can use something like this:
var xhr;
var _orgAjax = jQuer...
Regular expression for floating point numbers
...same thing as [0-9]. (Well, actually, in some engines \d will match digits from all scripts, so it'll match more than [0-9] will, but that's probably not significant in your case.)
Now, if you look at this carefully, you'll realize that every single part of your pattern is optional. This pattern ca...
Font scaling based on width of container
...ve been had the "width" of the original 50% container been reduced by half from viewport sizing, but has now been reduced due to a change in its own percentage calculation.
A Challenge
With the CSS3 calc() function in use, it would become difficult to adjust dynamically, as that function does not wo...
Why does Math.floor return a double?
..., but that would result in a performance impact (no conversion instruction from long to double in any instruction set that I'm aware of). I wonder what Math.floor does with doubles > 2^53 at the first place. Some results aren't representable.
– Nils Pipenbrinck
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Correct use for angular-translate in controllers
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EDIT: Please see the answer from PascalPrecht (the author of angular-translate) for a better solution.
The asynchronous nature of the loading causes the problem. You see, with {{ pageTitle | translate }}, Angular will watch the expression; when the l...
IntelliJ IDEA hint parameters of method
I'm just swapping from eclipse to IntelliJ, and I can't find this particular feature.
5 Answers
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What is the purpose of a plus symbol before a variable?
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How is it different from .parseInt() ?
– Daniel W.
Apr 10 '19 at 13:33
1
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gunicorn autoreload on source change
Finally I migrated my development env from runserver to gunicorn/nginx.
4 Answers
4
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Make Iframe to fit 100% of container's remaining height
...idth: 100%; and height: 100%; properties, it will span over entire screen. From this point on, you can put <iframe> tag inside it and span it over remaining space (both in width and in height) with simple width: 100%; height: 100%; CSS instruction.
Example code
body {
marg...